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Scientists link shifting Atlantic mackerel distribution to environmental factors, changing climate
Date:8/12/2011

ange. The study also has implications for an early spring recreational Atlantic mackerel fishery in the mid-Atlantic region, which has declined steadily since the 1960s. The trends in recreational landings of Atlantic mackerel are unrelated to fishery regulations or management actions as there were no size limits, bag limits or constraining quotas in effect during this period.

"If the data from the late 1960s are indicative of the southernmost limit in the overwintering population of Atlantic mackerel, the change in the northern and eastern extent of the winter distribution of the stock is relatively large," Hare said. "Although there has been considerable interannual variability in the stock's distribution from the late 1960s through the first decade of the 21st century, the Atlantic mackerel stock has progressively moved from the offshore mid-Atlantic region to the southern New England shelf, and is now on the continental shelf more often in winter and much farther north and east of their previous winter positions, moving most recently onto Georges Bank."


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Contact: Shelley Dawicki
Shelley.Dawicki@noaa.gov
508-495-2378
NOAA Fisheries Northeast Fisheries Science Center
Source:Eurekalert

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